viruses

Chickens sit in cages in a live bird market in New York City
Health

New York City is shutting down all its live bird markets after discovering seven cases of avian flu

By
February 7, 2025
Moderna is recruiting adult participants for Nova 301, its Phase 3 clinical trial evaluating an investigational norovirus vaccine called mRNA-1403.
Health

Moderna says it’s ‘one step closer’ to a norovirus vaccine as the virus spreads across the U.S.

By
January 11, 2025
The CDC reported 91 norovirus outbreaks the week of Dec. 5, 2024, up from 69 the week before. By comparison, up to 41 outbreaks were reported during that same week the previous three seasons.
Health

Norovirus rates have skyrocketed by 340% this season. Here’s where the ‘winter vomiting disease’ is spreading and why

By
January 2, 2025
A new, potentially more dangerous version of mpox has been found in the U.S.
Health

A new, potentially more dangerous version of mpox has been found in the U.S.

By
November 19, 2024
As of spring 2024, at which time two RSV vaccines had been FDA-approved, less than 25% of eligible U.S. adults 60 and older had gotten one, according to the CDC.

RSV can be deadly, especially for older adults. What to know about symptoms and the new vaccine

By
October 4, 2024
About 47% of U.S. adults aged 50 and older said they were very or somewhat unlikely to get the new 2024–25 COVID-19 vaccine, according the University of Michigan’s National Poll on Healthy Aging.
Health

COVID sickens older adults most severely, but less than half say they’ll get the new vaccine

By
September 30, 2024
As of March 2024, the Centers for Disease Control and Prevention no longer advises a five-day isolation period when you test positive for COVID-19, but recommends taking other precautions once your symptoms subside.
Health

Got COVID? Here are the new 2024 isolation guidelines

By
September 27, 2024
COVIDtests.gov will once again offer each U.S. household four free COVID-19 test kits beginning in late September 2024.
Health

Free, at-home COVID tests are back. Here’s how to order yours

By
September 24, 2024
COVID-19 symptoms can be mild, severe, or nonexistent, according to the Centers for Disease Control and Prevention—and can appear as late as two weeks after you’ve been exposed to the virus.
Health

Could it be COVID? Here are the symptoms to watch out for in 2024

By
September 21, 2024
Fall begins Sept. 22 and with the change of seasons, the new XEC COVID subvariant that started circulating in Europe over the summer has made its way to the U.S.
Health

Will the XEC COVID variant bring a fall wave of infections? What to know about symptoms and spread

By
September 18, 2024
How did a Missouri resident get bird flu without exposure to animals? Officials say it’s a rare ‘one-off’
Health

How did a Missouri resident get bird flu without exposure to animals? Officials say it’s a rare ‘one-off’

By Mike Stobbe and The Associated Press
September 12, 2024
Adults 65 and older should get their annual flu shot between mid-September and early October, according to Dr. Robert Hopkins Jr., medical director of the National Foundation for Infectious Diseases.

Older adults should get their flu shots now. Here’s why they also need stronger vaccines

By
September 8, 2024
September and October are ideal flu vaccination periods for most people, who need only a single dose each season, according to the Centers for Disease Control and Prevention.
Health

New flu shots have arrived. Here’s the best time to get your annual vaccine

By
September 3, 2024
The COVID-19 vaccine may protect against SARS-CoV-2’s adverse effects on mental health, according to an analysis of more than 18.6 million adults by a team of researchers in the U.K.
Mind

COVID can cause mental illness—but being vaccinated helps, new study shows

By
August 21, 2024
Photo of a child exhibiting the “slapped cheek” rash
Health

Parvovirus B19 is spreading across the U.S. What to know about ‘slapped cheek’ disease

By
August 19, 2024

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